上传新文件

Matplotlib Drawing/Problem 6/B.py

+import numpy as np
+import matplotlib.pyplot as plt
+x = np.linspace(-4, 4, 10005)
+y = 5 * (x + 4.2) * (x + 4.) * (x - 2.5)
+plt.title('曲线')
+plt.plot(x, y, c = 'm')
+plt.rcParams['font.sans-serif'] = ['SimSun']
+plt.show()
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